the heating arrangements, e.g. by fire before baking, heated radiators or hot air flowing trough the oven. Ovens comprising radiators with openings to discharge steam into the oven in order to regulate the humidity are classified in A21B 3/04. Domestic ovens with convection means are classified in F24C 15/322;

means for regulating the temperature;

the baking surfaces moving during the baking. Movable elements used for charging or discharging ovens are classified in A21B 3/07.

Details of industrial bakers' ovens, e.g. loading or unloading mechanism to bring products to be baked into and out of the baking cavities, doors to provide access to the baking cavities, air-treatment devices for regulating the humidity in the baking cavity and means for illuminating ovens. Furthermore the group comprises machines for cleaning or greasing baking surfaces and machines for discharging baked goods from tins.

Details of doors and flap gates that provide access to the baking cavity of industrial baking ovens. A flap gate is an access opening comprising a flap which is pivotable on its upper or lower edge. Such access means are generally used in stacked baking ovens. Furthermore, this group covers details of doors of bakers' ovens, e.g. ovens wherein a movable trolley loaded with food products is rolled into the baking cavity or ovens wherein the baking surfaces move during the baking.

References

Informative references

Attention is drawn to the following places, which may be of interest for search:

Fixed or movable closures for openings in buildings, vehicles, fences, or like enclosures, in general